Creality 3D Printer Error Code Probing Failed: How to Fix It

Q: Why does my Creality printer keep showing probing failed error?

The probing failed error typically occurs due to loose wiring connections, incorrect firmware settings, or a malfunctioning BLTouch/CR-Touch sensor. Start by checking all connections and ensuring the probe moves freely.

Q: Can I use my 3D printer without the BLTouch when it's failing?

Yes, you can disable auto bed leveling in your slicer settings and manually level your bed. However, this removes the automatic bed leveling convenience and may require more frequent manual adjustments.

Q: How do I know if my BLTouch sensor needs replacement?

If the sensor doesn't respond to manual commands, the probe pin doesn't move during self-tests, or you see physical damage to the sensor, replacement is likely needed. A properly functioning BLTouch should make audible clicking sounds when deploying and retracting.

Q: What's the difference between BLTouch and CR-Touch probing errors?

Both sensors use similar technology and troubleshooting steps. CR-Touch is Creality's proprietary version of BLTouch, but they function identically for auto bed leveling and typically have the same failure points.

Abstract

The 'Probing Failed' error on Creality 3D printers occurs when the BLTouch or CR-Touch auto-leveling sensor cannot properly deploy or retract during bed leveling. This issue can prevent your printer from starting prints and is usually caused by wiring problems, firmware settings, or mechanical obstructions.